DMC was prepared by cracking reaction of the waste silicone products,which were the waste silicone oil and waste silicone rubber tailings,in the presence of dodecyl benzene sulfonic acid and catalyst.

• 以废有机硅制品(如废硅油、废硅橡胶制品下脚料等)为原料,在十二烷基苯磺酸和催化剂存在下裂解,得到硅氧烷混合环体。